fully tested as yet. Terry Barnaby, BEAM Ltd.
*/
-//#define DEBUG_INTERRUPT
-//#define DEBUG_STATUS_A
-//#define DEBUG_STATUS_B
+/* #define DEBUG_INTERRUPT */
+/* #define DEBUG_STATUS_A */
+/* #define DEBUG_STATUS_B */
#include "8255.h"
#include "mite.h"
/* DMA channel setup */
-// negative channel means no channel
+/* negative channel means no channel */
static inline void ni_set_ai_dma_channel(struct comedi_device * dev, int channel)
{
unsigned bitfield;
ni_set_bitfield(dev, AI_AO_Select, AI_DMA_Select_Mask, bitfield);
}
-// negative channel means no channel
+/* negative channel means no channel */
static inline void ni_set_ao_dma_channel(struct comedi_device * dev, int channel)
{
unsigned bitfield;
ni_set_bitfield(dev, AI_AO_Select, AO_DMA_Select_Mask, bitfield);
}
-// negative mite_channel means no channel
+/* negative mite_channel means no channel */
static inline void ni_set_gpct_dma_channel(struct comedi_device * dev,
unsigned gpct_index, int mite_channel)
{
bitfield);
}
-// negative mite_channel means no channel
+/* negative mite_channel means no channel */
static inline void ni_set_cdo_dma_channel(struct comedi_device * dev, int mite_channel)
{
unsigned long flags;
return 0;
}
-#endif // PCIDMA
+#endif /* PCIDMA */
static int ni_request_cdo_mite_channel(struct comedi_device * dev)
{
devpriv->cdo_mite_chan->dir = COMEDI_OUTPUT;
ni_set_cdo_dma_channel(dev, devpriv->cdo_mite_chan->channel);
comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
-#endif // PCIDMA
+#endif /* PCIDMA */
return 0;
}
devpriv->ai_mite_chan = NULL;
}
comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
-#endif // PCIDMA
+#endif /* PCIDMA */
}
static void ni_release_ao_mite_channel(struct comedi_device * dev)
devpriv->ao_mite_chan = NULL;
}
comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
-#endif // PCIDMA
+#endif /* PCIDMA */
}
void ni_release_gpct_mite_channel(struct comedi_device * dev, unsigned gpct_index)
mite_release_channel(mite_chan);
}
comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
-#endif // PCIDMA
+#endif /* PCIDMA */
}
static void ni_release_cdo_mite_channel(struct comedi_device * dev)
devpriv->cdo_mite_chan = NULL;
}
comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
-#endif // PCIDMA
+#endif /* PCIDMA */
}
-// e-series boards use the second irq signals to generate dma requests for their counters
+/* e-series boards use the second irq signals to generate dma requests for their counters */
#ifdef PCIDMA
static void ni_e_series_enable_second_irq(struct comedi_device * dev,
unsigned gpct_index, short enable)
break;
}
}
-#endif // PCIDMA
+#endif /* PCIDMA */
static void ni_clear_ai_fifo(struct comedi_device * dev)
{
if (boardtype.reg_type == ni_reg_6143) {
- // Flush the 6143 data FIFO
- ni_writel(0x10, AIFIFO_Control_6143); // Flush fifo
- ni_writel(0x00, AIFIFO_Control_6143); // Flush fifo
- while (ni_readl(AIFIFO_Status_6143) & 0x10) ; // Wait for complete
+ /* Flush the 6143 data FIFO */
+ ni_writel(0x10, AIFIFO_Control_6143); /* Flush fifo */
+ ni_writel(0x00, AIFIFO_Control_6143); /* Flush fifo */
+ while (ni_readl(AIFIFO_Status_6143) & 0x10) ; /* Wait for complete */
} else {
devpriv->stc_writew(dev, 1, ADC_FIFO_Clear);
if (boardtype.reg_type == ni_reg_625x) {
if (dev->attached == 0)
return IRQ_NONE;
- smp_mb(); // make sure dev->attached is checked before handler does anything else.
+ smp_mb(); /* make sure dev->attached is checked before handler does anything else. */
- // lock to avoid race with comedi_poll
+ /* lock to avoid race with comedi_poll */
comedi_spin_lock_irqsave(&dev->spinlock, flags);
a_status = devpriv->stc_readw(dev, AI_Status_1_Register);
b_status = devpriv->stc_readw(dev, AO_Status_1_Register);
return 0;
}
-#endif //PCIDMA
+#endif /* PCIDMA */
static void ni_handle_eos(struct comedi_device * dev, struct comedi_subdevice * s)
{
if (devpriv->aimode == AIMODE_SCAN) {
{
struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV;
- //67xx boards don't have ai subdevice, but their gpct0 might generate an a interrupt
+ /* 67xx boards don't have ai subdevice, but their gpct0 might generate an a interrupt */
if (s->type == COMEDI_SUBD_UNUSED)
return;
rt_printk
("unknown mite interrupt, ack! (ai_mite_status=%08x)\n",
ai_mite_status);
- //mite_print_chsr(ai_mite_status);
+ /* mite_print_chsr(ai_mite_status); */
s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
- //disable_irq(dev->irq);
+ /* disable_irq(dev->irq); */
}
#endif
break;
}
}
-#endif // !PCIDMA
+#endif /* !PCIDMA */
if ((status & AI_STOP_St)) {
ni_handle_eos(dev, s);
unsigned ao_mite_status)
{
struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV;
- //unsigned short ack=0;
+ /* unsigned short ack=0; */
#ifdef DEBUG_INTERRUPT
rt_printk("ni_mio_common: interrupt: b_status=%04x m1_status=%08x\n",
b_status, ao_mite_status);
rt_printk
("unknown mite interrupt, ack! (ao_mite_status=%08x)\n",
ao_mite_status);
- //mite_print_chsr(ao_mite_status);
+ /* mite_print_chsr(ao_mite_status); */
s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
}
#endif
short data[2];
u32 dl;
- // This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed
+ /* This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed */
for (i = 0; i < n / 2; i++) {
dl = ni_readl(AIFIFO_Data_6143);
}
if (n % 2) {
/* Assume there is a single sample stuck in the FIFO */
- ni_writel(0x01, AIFIFO_Control_6143); // Get stranded sample into FIFO
+ ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */
dl = ni_readl(AIFIFO_Data_6143);
data[0] = (dl >> 16) & 0xffff;
cfc_write_to_buffer(s, data[0]);
cfc_write_array_to_buffer(s, data, sizeof(data));
i += 2;
}
- // Check if stranded sample is present
+ /* Check if stranded sample is present */
if (ni_readl(AIFIFO_Status_6143) & 0x01) {
- ni_writel(0x01, AIFIFO_Control_6143); // Get stranded sample into FIFO
+ ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */
dl = ni_readl(AIFIFO_Data_6143);
data[0] = (dl >> 16) & 0xffff;
cfc_write_to_buffer(s, data[0]);
/* Check if there's a single sample stuck in the FIFO */
if (ni_readl(AIFIFO_Status_6143) & 0x01) {
- ni_writel(0x01, AIFIFO_Control_6143); // Get stranded sample into FIFO
+ ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */
dl = ni_readl(AIFIFO_Data_6143);
/* This may get the hi/lo data in the wrong order */
retval = ni_request_ai_mite_channel(dev);
if (retval)
return retval;
-// rt_printk("comedi_debug: using mite channel %i for ai.\n", devpriv->ai_mite_chan->channel);
+/* rt_printk("comedi_debug: using mite channel %i for ai.\n", devpriv->ai_mite_chan->channel); */
/* write alloc the entire buffer */
comedi_buf_write_alloc(s->async, s->async->prealloc_bufsz);
return retval;
}
-#endif // PCIDMA
+#endif /* PCIDMA */
/*
used for both cancel ioctl and board initialization
unsigned long flags = 0;
int count;
- // lock to avoid race with interrupt handler
+ /* lock to avoid race with interrupt handler */
if (in_interrupt() == 0)
comedi_spin_lock_irqsave(&dev->spinlock, flags);
#ifndef PCIDMA
dl = 0;
for (i = 0; i < NI_TIMEOUT; i++) {
if (ni_readl(AIFIFO_Status_6143) & 0x01) {
- ni_writel(0x01, AIFIFO_Control_6143); // Get stranded sample into FIFO
+ ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */
dl = ni_readl(AIFIFO_Data_6143);
break;
}
devpriv->stc_writew(dev, 1, Configuration_Memory_Clear);
-// offset = 1 << (boardtype.adbits - 1);
+/* offset = 1 << (boardtype.adbits - 1); */
if ((list[0] & CR_ALT_SOURCE)) {
unsigned bypass_bits;
chan = CR_CHAN(list[0]);
bypass_bits |= MSeries_AI_Bypass_Gain_Bits(range_code);
if (dither)
bypass_bits |= MSeries_AI_Bypass_Dither_Bit;
- // don't use 2's complement encoding
+ /* don't use 2's complement encoding */
bypass_bits |= MSeries_AI_Bypass_Polarity_Bit;
ni_writel(bypass_bits, M_Offset_AI_Config_FIFO_Bypass);
} else {
config_bits |= MSeries_AI_Config_Last_Channel_Bit;
if (dither)
config_bits |= MSeries_AI_Config_Dither_Bit;
- // don't use 2's complement encoding
+ /* don't use 2's complement encoding */
config_bits |= MSeries_AI_Config_Polarity_Bit;
ni_writew(config_bits, M_Offset_AI_Config_FIFO_Data);
}
&& (boardtype.reg_type != ni_reg_6143)) {
if (devpriv->changain_state
&& devpriv->changain_spec == list[0]) {
- // ready to go.
+ /* ready to go. */
return;
}
devpriv->changain_state = 1;
devpriv->stc_writew(dev, 1, Configuration_Memory_Clear);
- // Set up Calibration mode if required
+ /* Set up Calibration mode if required */
if (boardtype.reg_type == ni_reg_6143) {
if ((list[0] & CR_ALT_SOURCE)
&& !devpriv->ai_calib_source_enabled) {
- // Strobe Relay enable bit
+ /* Strobe Relay enable bit */
ni_writew(devpriv->
ai_calib_source |
Calibration_Channel_6143_RelayOn,
ni_writew(devpriv->ai_calib_source,
Calibration_Channel_6143);
devpriv->ai_calib_source_enabled = 1;
- msleep_interruptible(100); // Allow relays to change
+ msleep_interruptible(100); /* Allow relays to change */
} else if (!(list[0] & CR_ALT_SOURCE)
&& devpriv->ai_calib_source_enabled) {
- // Strobe Relay disable bit
+ /* Strobe Relay disable bit */
ni_writew(devpriv->
ai_calib_source |
Calibration_Channel_6143_RelayOff,
ni_writew(devpriv->ai_calib_source,
Calibration_Channel_6143);
devpriv->ai_calib_source_enabled = 0;
- msleep_interruptible(100); // Allow relays to change
+ msleep_interruptible(100); /* Allow relays to change */
}
}
switch (boardtype.reg_type) {
case ni_reg_611x:
case ni_reg_6143:
- // simultaneously-sampled inputs
+ /* simultaneously-sampled inputs */
return boardtype.ai_speed;
break;
default:
- // multiplexed inputs
+ /* multiplexed inputs */
break;
};
return boardtype.ai_speed * num_channels;
if (cmd->chanlist_len == 1 || (boardtype.reg_type == ni_reg_611x)
|| (boardtype.reg_type == ni_reg_6143)) {
start_stop_select |= AI_STOP_Polarity;
- start_stop_select |= AI_STOP_Select(31); // logic low
+ start_stop_select |= AI_STOP_Select(31); /* logic low */
start_stop_select |= AI_STOP_Sync;
} else {
- start_stop_select |= AI_STOP_Select(19); // ai configuration memory
+ start_stop_select |= AI_STOP_Select(19); /* ai configuration memory */
}
devpriv->stc_writew(dev, start_stop_select,
AI_START_STOP_Select_Register);
stop_count = cmd->stop_arg - 1;
if (boardtype.reg_type == ni_reg_611x) {
- // have to take 3 stage adc pipeline into account
+ /* have to take 3 stage adc pipeline into account */
stop_count += num_adc_stages_611x;
}
/* stage number of scans */
if (stop_count == 0) {
devpriv->ai_cmd2 |= AI_End_On_End_Of_Scan;
interrupt_a_enable |= AI_STOP_Interrupt_Enable;
- // this is required to get the last sample for chanlist_len > 1, not sure why
+ /* this is required to get the last sample for chanlist_len > 1, not sure why */
if (cmd->chanlist_len > 1)
start_stop_select |=
AI_STOP_Polarity | AI_STOP_Edge;
mode2 |= AI_SI_Reload_Mode(0);
/* AI_SI_Initial_Load_Source=A */
mode2 &= ~AI_SI_Initial_Load_Source;
- //mode2 |= AI_SC_Reload_Mode;
+ /* mode2 |= AI_SC_Reload_Mode; */
devpriv->stc_writew(dev, mode2, AI_Mode_2_Register);
/* load SI */
/* AI_SI2_Load */
devpriv->stc_writew(dev, AI_SI2_Load, AI_Command_1_Register);
- mode2 |= AI_SI2_Reload_Mode; // alternate
- mode2 |= AI_SI2_Initial_Load_Source; // B
+ mode2 |= AI_SI2_Reload_Mode; /* alternate */
+ mode2 |= AI_SI2_Initial_Load_Source; /* B */
devpriv->stc_writew(dev, mode2, AI_Mode_2_Register);
break;
if (retval)
return retval;
}
- //mite_dump_regs(devpriv->mite);
+ /* mite_dump_regs(devpriv->mite); */
#endif
switch (cmd->start_src) {
"timed out waiting for AO_TMRDACWRs_In_Progress_St to clear");
return -EIO;
}
- // stc manual says we are need to clear error interrupt after AO_TMRDACWRs_In_Progress_St clears
+ /* stc manual says we are need to clear error interrupt after AO_TMRDACWRs_In_Progress_St clears */
devpriv->stc_writew(dev, AO_Error_Interrupt_Ack,
Interrupt_B_Ack_Register);
case TRIG_EXT:
devpriv->ao_trigger_select = AO_START1_Select(CR_CHAN(cmd->start_arg)+1);
if (cmd->start_arg & CR_INVERT)
- devpriv->ao_trigger_select |= AO_START1_Polarity; // 0=active high, 1=active low. see daq-stc 3-24 (p186)
+ devpriv->ao_trigger_select |= AO_START1_Polarity; /* 0=active high, 1=active low. see daq-stc 3-24 (p186) */
if (cmd->start_arg & CR_EDGE)
- devpriv->ao_trigger_select |= AO_START1_Edge; // 0=edge detection disabled, 1=enabled
+ devpriv->ao_trigger_select |= AO_START1_Edge; /* 0=edge detection disabled, 1=enabled */
devpriv->stc_writew(dev, devpriv->ao_trigger_select, AO_Trigger_Select_Register);
break;
default:
case TRIG_COUNT:
if(boardtype.reg_type & ni_reg_m_series_mask)
{
- // this is how the NI example code does it for m-series boards, verified correct with 6259
+ /* this is how the NI example code does it for m-series boards, verified correct with 6259 */
devpriv->stc_writel(dev, cmd->stop_arg - 1, AO_UC_Load_A_Register);
devpriv->stc_writew(dev, AO_UC_Load, AO_Command_1_Register);
}else
bits |= AO_Number_Of_DAC_Packages;
#endif
devpriv->stc_writew(dev, bits, AO_Personal_Register);
- // enable sending of ao dma requests
+ /* enable sending of ao dma requests */
devpriv->stc_writew(dev, AO_AOFREQ_Enable, AO_Start_Select_Register);
devpriv->stc_writew(dev, AO_Configuration_End, Joint_Reset_Register);
static int ni_ao_reset(struct comedi_device * dev, struct comedi_subdevice * s)
{
- //devpriv->ao0p=0x0000;
- //ni_writew(devpriv->ao0p,AO_Configuration);
+ /* devpriv->ao0p=0x0000; */
+ /* ni_writew(devpriv->ao0p,AO_Configuration); */
- //devpriv->ao1p=AO_Channel(1);
- //ni_writew(devpriv->ao1p,AO_Configuration);
+ /* devpriv->ao1p=AO_Channel(1); */
+ /* ni_writew(devpriv->ao1p,AO_Configuration); */
ni_release_ao_mite_channel(dev);
return 0;
}
-// digital io
+/* digital io */
static int ni_dio_insn_config(struct comedi_device * dev, struct comedi_subdevice * s,
struct comedi_insn * insn, unsigned int * data)
if (retval < 0)
return retval;
#endif
-// XXX not sure what interrupt C group does
-// ni_writeb(Interrupt_Group_C_Enable_Bit, M_Offset_Interrupt_C_Enable);
- //wait for dma to fill output fifo
+/*
+* XXX not sure what interrupt C group does
+* ni_writeb(Interrupt_Group_C_Enable_Bit,
+* M_Offset_Interrupt_C_Enable); wait for dma to fill output fifo
+*/
for (i = 0; i < timeout; ++i) {
if (ni_readl(M_Offset_CDIO_Status) & CDO_FIFO_Full_Bit)
break;
CDO_Empty_FIFO_Interrupt_Enable_Clear_Bit |
CDO_FIFO_Request_Interrupt_Enable_Clear_Bit,
M_Offset_CDIO_Command);
-// XXX not sure what interrupt C group does
-// ni_writeb(0, M_Offset_Interrupt_C_Enable);
+/*
+* XXX not sure what interrupt C group does ni_writeb(0,
+* M_Offset_Interrupt_C_Enable);
+*/
ni_writel(0, M_Offset_CDO_Mask_Enable);
ni_release_cdo_mite_channel(dev);
return 0;
cdio_status = ni_readl(M_Offset_CDIO_Status);
if (cdio_status & (CDO_Overrun_Bit | CDO_Underflow_Bit)) {
-// rt_printk("cdio error: statux=0x%x\n", cdio_status);
- ni_writel(CDO_Error_Interrupt_Confirm_Bit, M_Offset_CDIO_Command); // XXX just guessing this is needed and does something useful
+/* rt_printk("cdio error: statux=0x%x\n", cdio_status); */
+ ni_writel(CDO_Error_Interrupt_Confirm_Bit, M_Offset_CDIO_Command); /* XXX just guessing this is needed and does something useful */
s->async->events |= COMEDI_CB_OVERFLOW;
}
if (cdio_status & CDO_FIFO_Empty_Bit) {
-// rt_printk("cdio fifo empty\n");
+/* rt_printk("cdio fifo empty\n"); */
ni_writel(CDO_Empty_FIFO_Interrupt_Enable_Clear_Bit,
M_Offset_CDIO_Command);
-// s->async->events |= COMEDI_CB_EOA;
+/* s->async->events |= COMEDI_CB_EOA; */
}
ni_event(dev, s);
}
s = dev->subdevices + NI_CALIBRATION_SUBDEV;
s->type = COMEDI_SUBD_CALIB;
if (boardtype.reg_type & ni_reg_m_series_mask) {
- // internal PWM analog output used for AI nonlinearity calibration
+ /* internal PWM analog output used for AI nonlinearity calibration */
s->subdev_flags = SDF_INTERNAL;
s->insn_config = &ni_m_series_pwm_config;
s->n_chan = 1;
s->maxdata = 0;
ni_writel(0x0, M_Offset_Cal_PWM);
} else if (boardtype.reg_type == ni_reg_6143) {
- // internal PWM analog output used for AI nonlinearity calibration
+ /* internal PWM analog output used for AI nonlinearity calibration */
s->subdev_flags = SDF_INTERNAL;
s->insn_config = &ni_6143_pwm_config;
s->n_chan = 1;
if (boardtype.reg_type & ni_reg_67xx_mask) {
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_DIFF | SDF_INTERNAL;
- // one channel for each analog output channel
+ /* one channel for each analog output channel */
s->n_chan = boardtype.n_aochan;
s->maxdata = (1 << 16) - 1;
s->range_table = &range_unknown; /* XXX */
/* ai configuration */
ni_ai_reset(dev, dev->subdevices + NI_AI_SUBDEV);
if ((boardtype.reg_type & ni_reg_6xxx_mask) == 0) {
- // BEAM is this needed for PCI-6143 ??
+ /* BEAM is this needed for PCI-6143 ?? */
devpriv->clock_and_fout =
Slow_Internal_Time_Divide_By_2 |
Slow_Internal_Timebase |
int i;
int type;
- //printk("ni_write_caldac: chan=%d val=%d\n",addr,val);
+ /* printk("ni_write_caldac: chan=%d val=%d\n",addr,val); */
if (devpriv->caldacs[addr] == val)
return;
devpriv->caldacs[addr] = val;
if (addr < caldacs[type].n_chans) {
bits = caldacs[type].packbits(addr, val, &bitstring);
loadbit = SerDacLd(i);
- //printk("caldac: using i=%d addr=%d %x\n",i,addr,bitstring);
+ /* printk("caldac: using i=%d addr=%d %x\n",i,addr,bitstring); */
break;
}
addr -= caldacs[type].n_chans;
{
int temp_ack_reg = 0;
- //printk("GPCT_Reset...");
+ /* printk("GPCT_Reset..."); */
devpriv->gpct_cur_operation[chan] = GPCT_RESET;
switch (chan) {
devpriv->stc_writew(dev, temp_ack_reg,
Interrupt_A_Ack_Register);
- //problem...this interferes with the other ctr...
+ /* problem...this interferes with the other ctr... */
devpriv->an_trig_etc_reg |= GPFO_0_Output_Enable;
devpriv->stc_writew(dev, devpriv->an_trig_etc_reg,
Analog_Trigger_Etc_Register);
G_Input_Select_Register(chan));
devpriv->stc_writew(dev, 0, G_Autoincrement_Register(chan));
- //printk("exit GPCT_Reset\n");
+ /* printk("exit GPCT_Reset\n"); */
}
#endif
int retval;
#ifdef PCIDMA
struct ni_gpct *counter = s->private;
-// const struct comedi_cmd *cmd = &s->async->cmd;
+/* const struct comedi_cmd *cmd = &s->async->cmd; */
retval = ni_request_gpct_mite_channel(dev, counter->counter_index,
COMEDI_INPUT);
static int ni_old_set_pfi_routing(struct comedi_device * dev, unsigned chan,
unsigned source)
{
- // pre-m-series boards have fixed signals on pfi pins
+ /* pre-m-series boards have fixed signals on pfi pins */
if (source != ni_old_get_pfi_routing(dev, chan))
return -EINVAL;
return 2;
static unsigned ni_old_get_pfi_routing(struct comedi_device * dev, unsigned chan)
{
- // pre-m-series boards have fixed signals on pfi pins
+ /* pre-m-series boards have fixed signals on pfi pins */
switch (chan) {
case 0:
return NI_PFI_OUTPUT_AI_START1;
*/
static void ni_rtsi_init(struct comedi_device * dev)
{
- // Initialises the RTSI bus signal switch to a default state
+ /* Initialises the RTSI bus signal switch to a default state */
- // Set clock mode to internal
+ /* Set clock mode to internal */
devpriv->clock_and_fout2 = MSeries_RTSI_10MHz_Bit;
if (ni_set_master_clock(dev, NI_MIO_INTERNAL_CLOCK, 0) < 0) {
rt_printk("ni_set_master_clock failed, bug?");
}
- // default internal lines routing to RTSI bus lines
+ /* default internal lines routing to RTSI bus lines */
devpriv->rtsi_trig_a_output_reg =
RTSI_Trig_Output_Bits(0,
NI_RTSI_OUTPUT_ADR_START1) | RTSI_Trig_Output_Bits(1,
devpriv->stc_writew(dev, devpriv->rtsi_trig_b_output_reg,
RTSI_Trig_B_Output_Register);
- // Sets the source and direction of the 4 on board lines
-// devpriv->stc_writew(dev, 0x0000, RTSI_Board_Register);
+/*
+* Sets the source and direction of the 4 on board lines
+* devpriv->stc_writew(dev, 0x0000, RTSI_Board_Register);
+*/
}
static int ni_rtsi_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
int retval;
if (source == NI_MIO_PLL_PXI10_CLOCK)
period_ns = 100;
- // these limits are somewhat arbitrary, but NI advertises 1 to 20MHz range so we'll use that
+ /* these limits are somewhat arbitrary, but NI advertises 1 to 20MHz range so we'll use that */
if (period_ns < min_period_ns || period_ns > max_period_ns) {
rt_printk
("%s: you must specify an input clock frequency between %i and %i nanosec "
pll_control_bits |=
MSeries_PLL_Divisor_Bits(freq_divider) |
MSeries_PLL_Multiplier_Bits(freq_multiplier);
-// rt_printk("using divider=%i, multiplier=%i for PLL. pll_control_bits = 0x%x\n", freq_divider, freq_multiplier, pll_control_bits);
-// rt_printk("clock_ns=%d\n", devpriv->clock_ns);
+
+ /* rt_printk("using divider=%i, multiplier=%i for PLL. pll_control_bits = 0x%x\n",
+ * freq_divider, freq_multiplier, pll_control_bits); */
+ /* rt_printk("clock_ns=%d\n", devpriv->clock_ns); */
ni_writew(pll_control_bits, M_Offset_PLL_Control);
devpriv->clock_source = source;
/* it seems to typically take a few hundred microseconds for PLL to lock */
return -EIO;
}
}
-//printk("looped %i times waiting for idle\n", i);
+/* printk("looped %i times waiting for idle\n", i); */
if (i == timeout) {
rt_printk("%s: %s: timeout\n", __FILE__, __FUNCTION__);
return -ETIME;
break;
comedi_udelay(1);
}
-//printk("looped %i times writing command to cs5529\n", i);
+/* printk("looped %i times writing command to cs5529\n", i); */
if (i == timeout) {
comedi_error(dev, "possible problem - never saw adc go busy?");
}